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Finding the Fourth Proportional to 80,508.74, 111,092.51 and 44,689.52

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Solution

The fourth proportional to 80,508.74, 111,092.51 and 44,689.52 is: 61,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,508.74 : 111,092.51 = 44,689.52 : x
  2. Step 2: Convert to fraction form
    80,508.74/111,092.51 = 44,689.52/x
  3. Step 3: Cross multiply
    80,508.74x = 111,092.51 × 44,689.52
  4. Step 4: Simplify right side
    80,508.74x = 4,964,671,336.95
  5. Step 5: Solve for x
    x = 4,964,671,336.95/80,508.74
  6. Step 6: Final answer
    x = 61,666.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.